Science

Saturday, 7 March 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Graphene
The Koreans are currently the most advanced in the industrial production of graphene.
Graphene can be used to produce new types of screens (touch or liquid crystal), solar panels, and co ...
Milky Way
Until 1920, most astronomers believed that the Milky Way contained all the stars in the universe.
Only observations made by Edwin Hubble made humanity realize that it is only one of many galaxies.
Deimos
The diameter of Deimos during a solar eclipse on Mars is only 2.5 times greater than the diameter of Venus during transit.
Silver
Silver is a metal slightly harder than gold.
It is a very ductile and malleable metal with a shiny luster and can be easily polished.
Graphene
Scientific research has shown that graphene destroys cancer cells.
By adhering to cancer cells, it creates a thin layer around them, which cuts off oxygen and nutrients. This ultimately leads to the death of cancer cells.
Liver
It is present in all vertebrates.
Earth
There are over 7.8 billion people in the world.
It took humanity over 2 million years to reach a population of one billion. In 2011, there were 7 bi ...
Earth
The Earth's core is a ball with a diameter of 6940 km - so it is larger than Mars.
It is made of an alloy of nickel and iron with small admixtures of other elements. It reaches temperatures from 5500 to 6500 degrees Celsius and the pressure there is 13.5 million atmospheres.
Nicotine
The name nicotine comes from the name of the French physician Jean Nicot, who recommended tobacco as a medicine in the 16th century.
Nicotine was first isolated in 1828, and its chemical structure was discovered in 1843. Nicotine was first obtained through a chemical process in 1904.
Brain
The brain generates up to 80,000 thoughts a day.
That's over 3,000 thoughts per hour.